mr. romano, we speesappreciau being with us. >> thank you. >> we'll take a look at new technology of cars when "press:here" comes back. >>> that man running away in the fog is an engineer in california. he'stomated car. will we be a to see him hundreds of miles away? welcome back to "press:here," it will be seen with an improved version of radar. it is revolutionizing radar which after all it is more of an 80 years old technology making it cheaper and smaller. >> physicist dr. mahal is here with us. thank you for being with us this morning. cars have radar which is laser, right? what makes radar so important? it seems like that's the >> that's correct. radar is the only sensor that can reach long ranges? why do we need to reach long rang ranges. >> especially in the fog. >> cars can't drive 20 miles per hour. >> 75 or 85. >> yes. thank you. >> y are level five or level four, you can't drive a car at full speed if you can't see far away. you would be able to see pedestrians like you saw edmond in the fog video. we were showing that at ces this week and be able to detect cars and trucks bey